Scs-Sallisaw Creek Site-36 Reservoir Report

Last Updated: December 5, 2025

SCS-Sallisaw Creek Site-36 is a state-regulated dam located in Sequoyah, Oklahoma, along the Little Sallisaw Creek.


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Summary

Built in 1965 by the USDA NRCS, this Earth-type dam stands at a height of 87 feet and serves the primary purpose of flood risk reduction. With a storage capacity of 3,612 acre-feet and a spillway width of 2 feet, the dam is designed to control maximum discharges of up to 5,325 cubic feet per second.

Despite being classified as having a high hazard potential, the dam's condition assessment remains fair as of the last inspection in December 2011. The risk assessment for SCS-Sallisaw Creek Site-36 deems the area to have a very high risk level, prompting the need for effective risk management measures. With state permitting, inspection, and enforcement in place, the dam plays a crucial role in safeguarding the surrounding area from potential flooding events, making it a vital asset for water resource and climate enthusiasts to monitor and support.

Year Completed

1965

Dam Length

1250

Dam Height

87

River Or Stream

LITTLE SALLISAW CREEK

Primary Dam Type

Earth

Surface Area

16

Hydraulic Height

87

Nid Storage

3612

Structural Height

87

Outlet Gates

Valve - 1

Hazard Potential

High

Foundations

Soil

Nid Height

87
       
Seasonal Comparison

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Dam Data Reference

Condition Assessment

Satisfactory
No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.

Hazard Potential Classification

High
Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.